validate firebase_token_Service

class FirebaseTokenService
  EXCEPTIONS = [
    SocketError,
    RestClient::BadRequest,
    RestClient::Exceptions::OpenTimeout,
    RestClient::RequestTimeout,
    RestClient::InternalServerError,
    RestClient::BadGateway,
    RestClient::ServiceUnavailable,
    RestClient::GatewayTimeout,
    RestClient::BandwidthLimitExceeded,
    Errno::ECONNREFUSED
  ].freeze

  API_KEY = Rails.application.credentials.fetch(:firebase_api_key, '')
  FIREBASE_URL = "https://identitytoolkit.googleapis.com/v1/accounts:lookup?key=#{API_KEY}"
  attr_reader :token
  attr_accessor :error

  def initialize(token:)
    @token = token
  end

  def call
    begin
      request = RestClient::Request.new(
        url: FIREBASE_URL,
        payload: payload,
        content_type: :json,
        method: :post,
        timeout: 60,
        open_timeout: 4
      ).execute
    rescue *EXCEPTIONS=> e
      @error = e.response
    end
    response_firebase(request.try(:code) == 200 ? request : error)
  end

  private

  def response_firebase(request)
    JSON.parse(request.body)
  end

  def payload
    { idToken: token }
  end
end